What is the weather like in Montreal throughout the year?

Montreal experiences varying weather throughout the year. The warmest month is July with average highs of 26°C. The coolest month is January.

What is the weather like in Montreal in September?

Montreal in September scores 65/100 based on 30 years of climate data. Very good conditions overall.

Who should visit Montreal in September?

September in Montreal is ideal for: Families with children, Elderly travelers, Outdoor enthusiasts, Cultural tourists, Honeymoon couples.

Best Time to Visit Montreal | 30-Year Weather Analysis

Why September is the Best Time to Visit Montreal

Is September a Good Time to Visit Montreal?

👍Very good conditions overall(65/100)

Short Answer

Montreal's September delivers on its reputation: 21°C, 23% rain, 9h sunshine. The trade-off? Peak crowds and prices at 88% capacity.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

88% of annual peak - expect crowds and high prices

Ideal temperature range

20.8°C - perfect for sightseeing and outdoor activities

Plenty of sunshine

9h of sunshine daily

Exceptional dining scene

54 Michelin-listed restaurants

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 20.8°C temperatures and low 23% rain risk
👴
Elderly travelers
Comfortable 20.8°C temperature range with manageable humidity
🥾
Outdoor enthusiasts
Ideal hiking conditions: 20.8°C, 23% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 96/100 with romantic weather conditions

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere

Warmest

July

26°C avg

Coolest

January

-5°C avg

Driest

February

22% rain

Wettest

June

32% rain

Planning Your Trip to Montreal, Canada

Wondering when is the best time to visit Montreal? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to Montreal are September, June, July. During these months, you'll experience optimal temperatures around 21°C with only 23% chance of rain.

The Montreal climate varies throughout the year. July is the hottest month with average highs of 26°C, while January is the coldest at -5°C. If you're planning outdoor activities or sightseeing in Montreal, avoid June when rainfall peaks at 32% probability.

For the best Montreal weather experience, we recommend visiting during February for the driest conditions or the shoulder months of September and June for a perfect balance of weather and fewer crowds.

Montreal Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for Montreal

🏆 85-100: Excellent👍 70-84: Great👌 55-69: Good🤔 40-54: Fair⚠️ 0-39: Challenging

When to Visit Montreal: Travel Style Guide

Personalized Montreal travel recommendations based on 30-year weather data

Beach Lovers

Warmest months with comfortable temperatures for outdoor activities

JulyAugust

Budget Travelers

Shoulder season with good weather and lower prices

AprilOctober

Avoiding Crowds

Fewer tourists with acceptable weather conditions

JanuaryFebruaryApril

Photography

Best light conditions with clear skies

SeptemberMayOctober

Winter Escape

Escape the cold with warmest temperatures

JuneJulyAugust

Honeymoon

Perfect conditions for a romantic getaway

MayJuneJuly

Montreal Weather FAQ: Your Questions Answered

What is the best time to visit Montreal?

Based on 30 years of weather data, the best months to visit Montreal are September, June, July. These months offer the optimal combination of pleasant temperatures (21°C avg) and low rainfall (23% chance).

When is the hottest time of year in Montreal?

July is historically the warmest month in Montreal with average highs of 26°C. If you prefer cooler weather, consider visiting in January when temperatures average around -5°C.

When is the rainy season in Montreal?

June typically sees the most rainfall in Montreal with a 32% chance of rain. For the driest conditions, plan your visit in February when rain probability drops to just 22%.

How accurate is the Montreal weather forecast?

Our Montreal climate analysis is based on 30 years of NASA POWER satellite observations (1995-2024), providing highly accurate historical averages. While weather can vary year to year, these long-term patterns are excellent indicators for planning your trip to Montreal.

What should I pack for Montreal?

Packing depends on when you visit. In July (warmest month), pack light summer clothes for 26°C weather. In January (coolest month), bring layers for -5°C temperatures.

Is Montreal good for a destination wedding?

Yes! The best months for an outdoor wedding in Montreal are February (only 22% rain chance) and September for optimal weather conditions. Avoid June when rain probability peaks at 32%.